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Pope Francis sees the horrors of Auschwitz

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More than 1 million people died at Auschwitz

Pope Francis makes his first visit to the death camp

(CNN)Pope Francismade a historic visit Fridayto Auschwitz-Birkenau, the former German Nazi concentration camp in Poland, to pay tribute to the more than 1 million people, mostly Jews, who lost their lives there in the Holocaust.

The Pope arrived early Friday for his first trip to Auschwitz and sat alone for some time by a tree in solemn reflection. He wassurrounded by piles of rubble -- destroyed gas chambers once used to put Jews to death during World War II.

Pope Francis said little during his first visit to Auschwitz.

Francis is the third Pope to visit the site of wartime torture and killings, and the trip comes after he made a stern warning this week that "the world is at war."

The Pope remained silent throughout most of the visit,but he left a message noting the horror and the need to forgive.

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In the camp's guestbook, Francis signed his name and wrote: "Lord, have mercy on your people! Lord, forgiveness for so much cruelty!

Pope 'like my friend'

The Pope alsomet briefly with Holocaust survivors and their families.

Among those in attendance was survivor and Jewish activist Marian Turski, who was held at the concentration camp.

Turski said he felt the Pope was "like my friend," commending his ability to relate to people.

Hesaid he was tattooed at Auschwitz to signify he had been "purchased" by the camp.

"I was in this camp until almost the last day and then put in the death march to another camp," he told journalists.

Reacting to recent violence, Francis warned "the world is at war" days before visiting Auschwitz.

He said the camp commanders would tell the prisoners that surviving for two months was a reasonable time for the Polish. "If you are a priest or a Jew, I don't think you can survive longer than a week or two weeks," he said, relaying the commanders' comments.

A song for the departed

The Pope visited cells where prisoners were held, sitting in the middle of one in prayer, making the sign of the cross before seeing others.

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One of the cells held the Polish Catholic priest Maximilian Kolbe, who died in 1941 when he volunteered to take the place of another prisoner set to be executed.

The Pope also visited the nearby Birkenau camp, known as Auschwitz II, where he met with dozens of people who housed Jews or risked their lives to protect them from the Nazis.

They knelt before the Pope, and many kissed his hand as Francis handed out little red boxes containing commemorative medals of his trip to Poland.

Bishops attend a Mass celebrated by Pope Francis on Thursday in Czestochowa, Poland.

He stood in front of 23 plaques that represented the languages spoken at the camp, holding a hand on his heart in grave silence, as a rabbi sang Psalm 130, dedicated to the departed.

'Culture of waste'

Later Friday, Francis met with patients at the University Children's Hospital in Krakow, where he called on Christians to spend more time with the ill and to care for them, as he said Jesus did.

He spoke to a crowd of more than 100, including children in wheelchairs and child cancer patients with their heads shaved in the front row.

"I would love so much that we as Christians could be close to the sick," he said.

"Our society is unfortunately more inclined to the culture of waste, which is the opposite (of) the culture of welcoming."

'When hatred is allowed to fester'

On Thursday, he celebrated an outdoor Mass before a huge gathering of young Catholics in Krakow on the 1,050th anniversary of Poland's "baptism" as a Catholic country.

Francis greets the faithful Thursday as he arrives at a monastery in Czestochowa.

He told reporters that "the world is at war" but stressed it was not a war of religion.

"The world is at war because it has lost peace," he said. "There is a war of interests, there is a war for money, a war for natural resources, a war to dominate people," he said.

Ronald S. Lauder, president of the World Jewish Congress,hailed the Pope's Auschwitz trip as "a strong signal" against hatred and called the Catholic Church leader "one of the closest allies Jews have today in the fight against anti-Semitism and bigotry."

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"Auschwitz is an eternal reminder of what can happen when hatred is allowed to fester, when the world remains silent in the face of evil and looks the other way as unspeakable crimes are being committed nearby," Lauder said.

"We thank him for going to Auschwitz. His visit there sends an important signal to the world that this dark chapter must never be forgotten and that the truth about what happened seven decades ago must not be obfuscated."

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Pope Francis falls during service

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As the Soviets came to liberate Auschwitz in January 1945, the Nazi SS soldiers destroyed much of the evidence of their crimes at Auschwitz, including gas chambers and crematoriums.

The Pope's five-day visit to Poland marks his first trip to the predominantly Catholic Eastern European country.

Central to his trip is World Youth Day -- an event organized by the church that draws young Catholics on pilgrimages from around the world every two or three years. Young people from 187 countries are expected to attend.

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At an early Mass on Thursday in the southern Polish city of Czestochowa, Francis, who is 79, stumbled and fell after appearing to trip on a step. Members of the clergy swiftly assisted him, and the service continued without interruption.